[asterisk-bugs] [JIRA] (ASTERISK-30266) Voicemail aborts when playing caller ID that includes + before digits

[Misha Vodsedalek (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-30266?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Misha Vodsedalek updated ASTERISK-30266:
----------------------------------------

    Attachment: ASTERISK-30266.patch

> Voicemail aborts when playing caller ID that includes + before digits
> ---------------------------------------------------------------------
>
>                 Key: ASTERISK-30266
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-30266
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Applications/app_voicemail
>    Affects Versions: 18.14.0
>            Reporter: Misha Vodsedalek
>              Labels: patch
>         Attachments: ASTERISK-30266.patch
>
>
> From a SIP trunk provider, we receive caller ID that includes + before digits in the caller ID number.  The caller leaves a voicemail message.  In the msgXXXX.txt file, the caller ID field looks something like
> callerid="Name of the caller" <+16135551234>
> The mailbox option saycid for the extension with the mailbox is set to
> saycid=yes
> When the user attempts to listen to the message, the session is aborted and the following message are logged:
> File  does not exist in any format
> Unable to open  (format (ulaw|alaw|g729)): No such file or directory
> I tracked the problem to say.c line 339.  Here, the assumption is made that the first character must be a valid digit.  When it is the plus sign, & is put at the beginning of the string and that causes the empty file name issue logged during this scenario.
> The following patch solves the issue:
> diff -Nru current/say.c new/say.c
> --- current/say.c       2022-08-18 17:18:29.000000000 +0200
> +++ new/say.c   2022-10-17 23:34:21.199137160 +0200
> @@ -336,7 +336,7 @@
>                         break;
>                 }
>                 if (fn && ast_fileexists(fn, NULL, lang) > 0) {
> -                       ast_str_append(&filenames, 0, (num == 0 ? "%s" : "&%s"), fn);
> +                       ast_str_append(&filenames, 0, (!ast_str_strlen(filenames) ? "%s" : "&%s"), fn);
>                 }
>                 num++;
>         }



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